Amazon, which has never disclosed the number of Prime members before, revealed the figure in Chief Executive Jeff Bezos’s closely followed annual letter to shareholders. The company said in late 2015 that it had “tens of millions” of Prime customers.

Numbers

$9.72 billion: Amazon’s revenue last year earned directly from subscription services, including Prime

$1,300: How much the average Amazon Prime shopper spends annually

$700: How much the average Amazon Non-Prime shopper spends annually

The Prime numbers are global. Amazon added more Prime members in 2017 than any previous year.

Amazon offered Prime in Mexico, Singapore and the Netherlands in 2017.